1% Generated by roxygen2: do not edit by hand
2% Please edit documentation in R/timespans.r
3\name{is.timespan}
4\alias{is.timespan}
5\title{Is x a length of time?}
6\usage{
7is.timespan(x)
8}
9\arguments{
10\item{x}{an R object}
11}
12\value{
13TRUE if x is a period, interval, duration, or difftime object, FALSE otherwise.
14}
15\description{
16Is x a length of time?
17}
18\examples{
19is.timespan(as.Date("2009-08-03")) # FALSE
20is.timespan(duration(second = 1)) # TRUE
21}
22\seealso{
23\code{\link[=is.instant]{is.instant()}}, \code{\link[=is.duration]{is.duration()}}, \code{\link[=is.difftime]{is.difftime()}}, \code{\link[=is.period]{is.period()}}, \code{\link[=is.interval]{is.interval()}}
24}
25\keyword{chron}
26\keyword{logic}
27